Global Patent Index - EP 0743849 B1

EP 0743849 B1 2000-11-08 - USE OF 1,2,3,4-TETRAHYDROQUINOXALINES AS OXIDATION DYE PRECURSORS IN OXIDATION DYES

Title (en)

USE OF 1,2,3,4-TETRAHYDROQUINOXALINES AS OXIDATION DYE PRECURSORS IN OXIDATION DYES

Title (de)

VERWENDUNG VON 1,2,3,4-TETRAHYDROCHINOXALINEN ALS OXIDATIONSFARBSTOFFVORPRODUKTE IN OXIDATIONSFÄRBEMITTELN

Title (fr)

UTILISATION DE 1,2,3,4-TETRAHYDROQUINOXALINES COMME PRECURSEURS DE COLORANTS PAR OXYDATION DANS DES TEINTURES PAR OXYDATION

Publication

EP 0743849 B1 (DE)

Application

EP 95908263 A

Priority

  • DE 4404564 A
  • EP 9500404 W

Abstract (en)

[origin: DE4404564A1] The use of 1,2,3,4-tetrahydroquinoxalines as oxidation dye precursors in oxidation dyes for dyeing keratin-containing fibres, in particular human hair, is disclosed, as well as new 1,2,3,4-tetrahydroquinoxalines and 1,2,3,4-tetrahydroquinoxaline-containing hair oxidation dyes.

IPC 1-7 (main, further and additional classification)

A61K 7/13

IPC 8 full level (invention and additional information)

A61K 8/49 (2006.01); A61Q 5/10 (2006.01); C07D 241/42 (2006.01); D06P 1/32 (2006.01); D06P 3/08 (2006.01); D06P 3/14 (2006.01); D06P 3/30 (2006.01)

CPC (invention and additional information)

A61Q 5/10 (2013.01); A61K 8/494 (2013.01)

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR IE IT LI NL SE

DOCDB simple family

DE 4404564 A1 19950817; AT 197393 T 20001111; DK 0743849 T3 20010122; EP 0743849 A1 19961127; EP 0743849 B1 20001108; ES 2152387 T3 20010201; GR 3034799 T3 20010228; US 5752984 A 19980519; WO 9521604 A1 19950817